Capitalise registration country and check 'gb' not 'UK'
Capitalise registration country and check 'gb' not 'UK'

We're going to use  ISO 3166-2 two-letter country codes in this field.
As a stop-gap we're just going to capitalize these codes for display
(currently 'gb' will be the only value here).  We'll need a look-up table
once we collect more country data for overseas countries.

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